Illinois engineers have developed a self-healing concrete rail tie system using shape memory alloys that return to their ...
The Highlands Current on MSN

Plotting a Path

Hopewell trail study ...
In railroad tracks, rail ties hold the rails in place and ensure that their separation does not change. Modern concrete ties warp and crack through repeated use, leading to safety concerns including ...
From classical masterpieces to modern marvels, we take a look at some of the world's most beautiful train stations and their ...